CN112139360B - Method for processing spring piece for tuning fork type crystal resonator - Google Patents
Method for processing spring piece for tuning fork type crystal resonator Download PDFInfo
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- CN112139360B CN112139360B CN202011064405.3A CN202011064405A CN112139360B CN 112139360 B CN112139360 B CN 112139360B CN 202011064405 A CN202011064405 A CN 202011064405A CN 112139360 B CN112139360 B CN 112139360B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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Abstract
The invention discloses a method for processing a spring piece for a tuning-fork crystal resonator. The invention has the beneficial effects that: the spring piece for the tuning fork type crystal packaging is subjected to collinear processing in all working procedures in the production and processing, the turnover working procedures are reduced, and the purposes of energy conservation and environmental protection are achieved by using a new heat treatment and cleaning method.
Description
Technical Field
The invention belongs to the technical field of spring piece processing in the technical field of tuning fork type crystal resonator part processing, and particularly relates to a spring piece processing method for a tuning fork type crystal resonator.
Background
The spring piece in the tuning fork type crystal resonator part is processed by a continuous stamping method, and the shape and the structure of the required spring piece are obtained by stamping the strip-shaped zinc-copper blank by a continuous stamping die.
Continuous stamping is a known stamping technology, the technical key points of the stamping technology are clearly published in Chinese patent CN01134552.7, Chinese patent CN201810017284.3 and Chinese patent CN201910388662.3, however, the known technologies are based on the traditional processing technology, such as traditional heat treatment, cleaning and other technologies are combined with each other to obtain a stamping processing method, and a stamping product meeting the design requirements is obtained, however, the stamping processing method in the form is divided into working procedures and is completed on different production lines, turnover is needed between the working procedures, the traditional heat treatment is realized by adopting electric heating or gas heating and other modes, the energy consumption is high, the traditional cleaning mode adopts chemical reagent reaction, the cleaned waste liquid meets the requirements of various heavy metal ions and other substances polluting water quality for industrial water, and is not environment-friendly, in addition, as the divided working procedures are not operated on a unified production line, the work piece turnover is needed, the personnel and the turnover equipment are needed, certain manpower and material resources are needed, and the production cost is increased.
At present, the production process of the zinc-copper alloy spring piece is the same as the process routes disclosed in Chinese patent CN01134552.7, Chinese patent CN201810017284.3 and Chinese patent CN201910388662.3, namely: after a material roll is unfolded by a feeding machine, the material roll directly enters a press to be continuously punched to obtain a formed spring piece, and then the formed spring piece is sent to a cleaning workshop to be cleaned. The production process is completed on different production lines, the processes need to be circulated, the traditional heat treatment is realized by adopting modes of electric heating or gas heating and the like, the energy consumption is high, the traditional cleaning mode adopts chemical reagent reaction, and the cleaned waste liquid conforms to various water quality pollution substances such as heavy metal ions and the like to industrial water, so that the production process is not environment-friendly.
Therefore, a processing method of the spring leaf for the tuning fork crystal resonator is urgently needed to realize collinear processing of all working procedures in the production and processing of the spring leaf for the tuning fork crystal encapsulation, reduce turnover working procedures and achieve the purposes of energy conservation and environmental protection by using a new heat treatment and cleaning method.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a method for processing a spring piece for a tuning fork crystal resonator.
The invention adopts the following specific technical scheme:
a method for processing a spring piece for a tuning-fork crystal resonator is characterized in that after a light absorption coating is coated on the surface of strip-shaped zinc-copper alloy, a progressive die is adopted for continuous punch forming, laser is utilized for annealing treatment, and finally cavitation jet flow cleaning is adopted to obtain the spring piece for resistance welding, and the method comprises the following steps:
firstly, spreading a material belt, namely spreading a coiled zinc-copper strip by using a feeding machine;
coating a light absorption material coating, wherein a light absorption material coating device is arranged at an outlet of a feeding machine, a zinc white copper material belt which is unfolded in the first step is coated with the light absorption material coating through the device, the light absorption material coating device is arranged at an outlet of the zinc white copper material belt which is flattened by the feeding machine, the device comprises two rollers which are close to each other and provided with holes on the upper roller surface and the lower roller surface, the inner parts of the rollers are of a cavity structure, the end parts of the rollers are connected with a liquid charging barrel of the light absorption material, when the zinc white copper material belt passes through a space between the two rollers, the two rollers rotate relatively, the light absorption material flows out of the holes on the roller surfaces and is adhered to the surfaces of the zinc white copper material belt, and the light absorption material is uniformly coated on the surfaces of the zinc white copper material belt under the rolling of the rollers;
thirdly, punching and forming, namely punching, forming and blanking the zinc-copper strip obtained in the second step through a progressive die to obtain a formed spring piece strip;
fourthly, stress relief annealing is carried out, and the upper surface and the lower surface of the formed spring piece material belt are rapidly annealed by utilizing pulse laser annealing;
fifthly, cleaning oil stains, namely cleaning the oil stains on the surface of the formed spring sheet material belt obtained in the fourth step by an ultrasonic cleaning device;
sixthly, cleaning a coating, namely cleaning the light absorption material coating on the surface of the formed spring sheet material belt obtained in the fifth step by using a cavitation jet cleaning device;
and seventhly, collecting finished spring piece material belts.
The oil press for stamping forming and the pulse laser annealing device for pulse laser annealing send feedback signals to the whole production line to control the beat, the stop and the start of the feeding machine and the light absorption material smearing device, and the forming material belt coiling device for collecting finished spring piece material belts sends feedback signals to the whole production line to control the oil stain cleaning device, and the cavitation jet cleaning device stops and starts.
By adopting the processing idea, the device in the existing continuous stamping production line is rearranged, a light absorption material coating device is added between a feeding machine and a continuous stamping die, stress relief annealing by using a pulse laser annealing technology is sequentially added between the continuous stamping die and a finished formed spring piece material belt collecting device, oil stain cleaning by using an ultrasonic cleaning device and coating cleaning by using a cavitation jet cleaning device are integrated into the same production line, meanwhile, pulse laser annealing is used for replacing the traditional annealing mode, a laser beam with high energy density is used for irradiating the surface of an annealing material, so that the temperature of an irradiated area is suddenly increased, the annealing effect is achieved, annealing is finished within a period of several seconds to ten seconds, and meanwhile, the light absorption material coating device is added in the previous process for realizing laser annealing, the surface of the zinc-white copper material belt can absorb pulse laser more, the purpose of rapid annealing in a short time is realized, the internal stress generated by cold plastic deformation in the formed spring leaf material belt obtained after the zinc-white copper material belt is formed in the continuous stamping process is further eliminated, the structure and the size are stabilized, in addition, stamping lubricating oil required by the process and dust fragments generated by annealing and the like are inevitably adhered to the formed spring leaf material belt in the zinc-white copper material belt and the continuous stamping and pulse laser annealing processes, an ultrasonic cleaning device is added in the subsequent pulse laser annealing process to clean the formed spring leaf material belt, the formed spring leaf material belt passes through the ultrasonic cleaning device, the time is determined according to the production rhythm and the process requirements, the ultrasonic cleaning device can clean oil stains and dust, but cannot clean the light absorption material coating, therefore, a cavitation jet cleaning device is added, the principle that high-pressure bubbles in cavitation jet explode after colliding with obstacles is utilized to continuously destroy the light-absorbing material coating until the coating is completely destroyed and washed away, and then a clean formed spring leaf material belt is obtained and enters a finished product collecting process, wherein cavitation of the cavitation jet is the explosive growth phenomenon of micro bubbles ( or named as gas nuclei) caused by the evaporation of liquid due to local low pressure ( is lower than the saturated vapor pressure of the liquid at corresponding temperature) in a liquid flow system. Liquids are generally seen to be not pure liquids, containing many particulate impurities, such as solid particles, microorganisms and microbubbles. The radius of the microbubbles is generally below 20 μm , and the microbubbles are called gas nuclei or cavitation nuclei. When the liquid pressure is lower than the saturated vapor pressure at the corresponding temperature, the cavitation nuclei begin to expand, and the cavitation is realized. When the environmental pressure is higher than the saturated steam pressure at the corresponding temperature, cavitation bubbles are annihilated, the cavitation jet cleaning technology is the disclosed prior art, the reaction device is not reiterated, the pressure of high-pressure water in the cavitation jet technology is 8-10 MPA, the water flow rich in cavitation bubbles generated by the cavitation jet generator cannot directly impact the zinc white copper strip, splashes onto the zinc white copper strip after impacting onto a baffle, when the water flow rich in cavitation bubbles impacts onto the baffle, the cavitation bubbles can lose a part and lose a large amount of impact force, the impact force of the splashed water flow to the zinc white copper strip is reduced, and a certain amount of cavitation bubbles are contained, so that the cleaning effect can be achieved, and the zinc white copper strip cannot be deformed by impact.
Preferably, the light absorbing material comprises the following components in percentage by weight: 10-12 parts of brown corundum, 10-12 parts of quartz sand, 19-22 parts of new phenolic resin (xylok), 28-32 parts of industrial alcohol with the concentration of 95% and 3-6 parts of anti-settling agent.
The light absorbing material formula is preferably as follows: comprises the following components in percentage by weight: 12 parts of brown corundum, 12 parts of quartz sand, 22 parts of phenolic resin (xylok), 30 parts of industrial alcohol with the concentration of 95% and 5 parts of anti-settling agent.
The light absorption material is prepared by grinding 12 parts of brown corundum and 12 parts of quartz sand in a ball mill respectively, enabling the granularity of solid materials to be more than 600 meshes, stirring the brown corundum and the quartz sand for 90 minutes at a stirring speed of 80 rpm according to a ratio of 1:1, fully mixing, mixing the mixture with 22 parts of alcohol-based phenolic resin at normal temperature at a stirring speed of 60 rpm for 30 minutes, fully stirring, adding 30 parts of 95% industrial alcohol at a concentration of 60 rpm, stirring for 20 minutes at a stirring speed of 60 rpm, finally adding 5 parts of anti-settling agent, stirring for 120 minutes at a stirring speed of 60 rpm until the coating is full and uniform and is in a thin gel shape.
Compared with the prior art, the light absorption material mixed liquid obtained by the formula has high laser absorption rate, good cost performance, firm combination with metal, no pungent smell, no back spray during laser scanning, convenient coating removal after laser treatment, no environmental pollution, easily obtained materials, simple manufacturing method and low cost; the defects that the preparation needs to be used in time after being prepared, the storage can not be carried out for a long time, and caking and precipitation are easy to occur after the storage for a long time.
As a further improvement of the invention, the second step of coating the light-absorbing material is finished until the third step of stamping and forming is started, and the conveying time of the zinc-copper strip is 2-3 minutes;
by adopting the processing method, the zinc-white copper material belt can be sufficiently dried after being coated with the light absorption material coating, the light absorption material coating can be completely attached to the zinc-white copper material belt, a buffer area for feeding is provided for continuous stamping, and the continuous stamping is prevented from being influenced by too fast or too slow feeding of the zinc-white copper material belt.
As a further improvement of the invention, an air knife is arranged in the process from the end of coating the light absorption material in the second step to the beginning of stamping and forming in the third step for air-drying the coating of the light absorption material, and the continuous air supply of the air knife is utilized to supply air for a long distance to the upper side and the lower side of the zinc-copper strip coated with the light absorption material, so that the coating of the light absorption material is effectively air-dried, wherein the air speed is 5-8 m/s, which can not only accelerate the air-drying, but also prevent the air speed from being too high, so that the blown coating is not uniformly distributed.
As a further improvement of the present invention, the PH range of the ultrasonic cleaning agent used for the oil stain cleaning in the fifth step is: preferably PH = 10. Because the novel phenolic resin (xylok) is used as a binder in the coating of the light absorption material, and the novel phenolic resin (xylok) is corroded by strong alkali, the ultrasonic cleaning agent uses the pH value range of strong alkali configuration: wherein preferably the PH =10, the novalac resin (xylok) coated with the light absorbing material is etched in preparation for the subsequent cavitation jet cleaning process.
As a further improvement of the present invention, in the sixth step, the PH range of the cleaning agent used in the coating cleaning is: (pH value is more than or equal to 7 and more than or equal to 6), as the cleaning agent with pH value of =10 is used in the fifth step, a part of alkaline solution is inevitably taken in the coating cleaning process in the sixth step, so that the pH value range is set as follows: the acid solution (7 is more than or equal to pH value is more than or equal to 6) is used for neutralization, and the new phenolic resin (xylok) can be decomposed when meeting the acid solution, so that the coating of the light-absorbing material on the surface of the zinc white copper strip can be further cleaned.
Preferably, in the sixth step, the upper surface and the lower surface of the metal strip of the forming spring piece are quickly cleaned by using cavitation jet flow in the coating cleaning.
The invention has the positive effects that: the integration collinear operation of multiple processes is realized, through coating the light absorption material coating and pulse laser annealing, the heat treatment after the shaping of the zinc-white copper material belt is realized, and the time is short, the energy consumption of the heat treatment is effectively reduced, for the crystal structure of the zinc-white copper material and the size stability of a stamping part, the ultrasonic cleaning and the cleaning of cavitation jet flow are realized simultaneously, the surface cleanness of the zinc-white copper stamping part is ensured, and the environment-friendly cleaning agent can be used for ultrasonic cleaning and cavitation jet flow, even clear water is used as the cleaning agent, the environment is not polluted, and the environment is more environment-friendly.
Drawings
FIG. 1 is a flow chart of a method for processing a spring plate for a tuning fork crystal resonator according to the present invention;
FIG. 2 is a front view of an apparatus for manufacturing a spring plate for a tuning fork crystal resonator according to the present invention;
FIG. 3 is a plan view of the apparatus for manufacturing a spring plate for a tuning fork crystal resonator according to the present invention shown in FIG. 2;
FIG. 4 is a three-dimensional schematic view of the apparatus for manufacturing a spring plate for a tuning fork crystal resonator according to the present invention shown in FIG. 2;
FIG. 5 is a schematic block diagram showing the control of the apparatus used in the method for processing a spring plate for a tuning fork crystal resonator according to the present invention;
illustration of the drawings: the device comprises the following steps of 1-feeding machine, 2-light absorption material smearing device, 3-oil press, 4-progressive die, 5-pulse laser annealing device, 6-oil stain cleaning device and 7-cavitation jet cleaning device.
Detailed Description
The invention is described in detail below with reference to the following figures and specific embodiments:
the specific embodiment is as follows:
in the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
The first embodiment is as follows:
a processing method of a spring piece for a tuning fork crystal resonator comprises the following steps:
the method comprises the following steps that firstly, a material belt is unfolded, the coiled zinc-copper strip is fixed on a feeding machine 1 and is unfolded by the feeding machine, the feeding machine is a universal device which integrates three machines of feeding, correcting and material rest into a whole and is used for continuous stamping automatic feeding, and the description is omitted;
secondly, coating a light absorption material coating, wherein a light absorption material coating device 2 is arranged at an outlet of a flattening zinc-white copper material belt of a feeding machine 1 and comprises two rollers which are close to each other and provided with holes on upper and lower roller surfaces, the inside of each roller is of a cavity structure, the end parts of the rollers are connected with a liquid charging barrel of the light absorption material, when the zinc-white copper material belt passes through a space between the two rollers, the two rollers rotate relatively, the light absorption material flows out of the holes on the roller surfaces and is adhered to the surfaces of the zinc-white copper material belt, and the light absorption material is uniformly coated on the surfaces of the zinc-white copper material belt under rolling of the rollers;
thirdly, performing punch forming, namely punching, forming and blanking the zinc-copper strip obtained in the second step through a superior die feeding 4 of an oil press 3 to obtain a formed spring piece strip, wherein the process is a conventional technology of continuous punching and is not repeated, and in addition, when the oil press 3 breaks down or the progressive die 4 is abnormal, a control system of the oil press 3 feeds back a control system signal of the whole production line and guides the feeding machine 1 and the light absorption material smearing device 2 to stop working;
fourthly, stress relief annealing is carried out, a pulse laser annealing device 5 is arranged behind the oil press 3, the pulse laser annealing device 5 has the same structure as a flattening device of the feeding machine, a laser generator is added in the vertical direction of a path through which the zinc-copper strip in the middle of the pulse laser annealing device passes, laser partition baffles are arranged around the laser generator, and the upper surface and the lower surface of the formed spring piece strip are rapidly annealed by utilizing the pulse laser annealing; the auxiliary device of the laser generator is arranged at the lower part of the pulsed laser annealing device 5;
fifthly, cleaning oil stains, namely enabling the formed spring piece material belt obtained in the third step to pass through an oil stain cleaning device 6, wherein the oil stain cleaning device 6 comprises an ultrasonic cleaning machine, a front guide traction roller set and a rear guide traction roller set, the front guide traction roller set and the rear guide traction roller set draw two side edges of the formed zinc white copper material belt, controlling the passing speed of the formed zinc white copper material belt in the ultrasonic cleaning machine, cleaning the oil stains and dust on the surface of the formed spring piece material belt in the ultrasonic cleaning machine, and the ultrasonic cleaning machine is universal equipment and the principle and the use method of the ultrasonic cleaning machine are not repeated;
sixthly, cleaning a coating, namely cleaning the coating of the light absorption material on the surface of the formed spring sheet material strip obtained in the fifth step by using a cavitation jet cleaning device 7, wherein the principle of the cavitation jet cleaning is the disclosed prior art, the cavitation jet cleaning device comprises a cavitation jet generating device, a cavitation jet orifice and a water flow recovery device, the cavitation jet generating device and the water flow recovery device are required to be arranged at the lower part of the cavitation jet cleaning device 7, and the cavitation jet orifice is aimed at the formed spring sheet material strip for injection, so that the water of the cavitation jet can flow into a water flow recovery device for filtration and then is utilized;
and seventhly, collecting the finished spring piece material belt by adopting a forming material belt coiling device.
In addition, in the steps, the oil press 3 and the pulse laser annealing device 5 send feedback signals to the whole production line to control the beat, the stop and the start of the feeding machine 1 and the light absorption material coating device 2, and the molding material belt coiling device sends feedback signals to the whole production line to control the oil stain cleaning device 6 and the cavitation jet cleaning device 7 to beat, stop and start.
Example two:
a processing method of a spring piece for a tuning fork crystal resonator comprises the following steps:
the method comprises the following steps that firstly, a material belt is unfolded, the coiled zinc-copper strip is fixed on a feeding machine 1 and is unfolded by the feeding machine, the feeding machine is a universal device which integrates three machines of feeding, correcting and material rest into a whole and is used for continuous stamping automatic feeding, and the description is omitted;
secondly, coating a light absorption material coating, arranging a light absorption material coating device 2 at an outlet of a flattening zinc white copper material belt of a feeding machine 1, wherein the light absorption material coating device comprises two rollers which are close to each other and are provided with holes on upper and lower roller surfaces, the inner part of each roller is of a cavity structure, the end parts of the rollers are connected with a liquid charging barrel of the light absorption material, when the zinc white copper material belt passes through a space between the two rollers, the two rollers reversely rotate relative to each other, the light absorption material flows out of the holes on the roller surfaces and is adhered to the surface of the zinc white copper material belt, and the light absorption material is uniformly coated on the surface of the zinc white copper material belt in a rolling mode of the rollers; wherein the light absorption material comprises the following components in percentage by weight: brown corundum 12, quartz sand 12, new phenolic resin (xylok)22, industrial alcohol 30 and anti-settling agent 5;
thirdly, performing punch forming, namely punching, forming and blanking the zinc-copper strip obtained in the second step through a superior die feeding 4 of an oil press 3 to obtain a formed spring piece strip, wherein the process is a conventional technology of continuous punching and is not repeated, and in addition, when the oil press 3 breaks down or the progressive die 4 is abnormal, a control system of the oil press 3 feeds back a control system signal of the whole production line and guides the feeding machine 1 and the light absorption material smearing device 2 to stop working;
fourthly, stress relief annealing is carried out, a pulse laser annealing device 5 is arranged behind the oil press 3, the pulse laser annealing device 5 has the same structure as a flattening device of the feeding machine, a laser generator is added in the vertical direction of a path through which the zinc-copper strip in the middle of the pulse laser annealing device passes, laser partition baffles are arranged around the laser generator, and the upper surface and the lower surface of the formed spring piece strip are rapidly annealed by utilizing the pulse laser annealing; the auxiliary device of the laser generator is arranged at the lower part of the pulsed laser annealing device 5;
fifthly, cleaning oil stains, namely allowing the formed spring leaf material strip obtained in the third step to pass through an oil stain cleaning device 6, wherein the oil stain cleaning device 6 comprises an ultrasonic cleaning machine, a front guide traction roller set and a rear guide traction roller set, the front guide traction roller set and the rear guide traction roller set draw two side edges of the formed zinc white copper material strip, controlling the passing speed of the formed zinc white copper material strip in the ultrasonic cleaning machine, and cleaning oil stains and dust on the surface of the formed spring leaf material strip in the ultrasonic cleaning machine, wherein the ultrasonic cleaning machine is universal equipment, and the principle and the using method of the ultrasonic cleaning machine are not described again;
sixthly, cleaning a coating, namely cleaning the coating of the light absorption material on the surface of the formed spring sheet material strip obtained in the fifth step by using a cavitation jet cleaning device 7, wherein the principle of the cavitation jet cleaning is the disclosed prior art, the cavitation jet cleaning device comprises a cavitation jet generating device, a cavitation jet orifice and a water flow recovery device, the cavitation jet generating device and the water flow recovery device are required to be arranged at the lower part of the cavitation jet cleaning device 7, and the cavitation jet orifice is aimed at the formed spring sheet material strip for injection, so that the water of the cavitation jet can flow into a water flow recovery device for filtration and then is utilized;
and seventhly, collecting the finished spring piece material belt by adopting a forming material belt coiling device.
In addition, in the above steps, the oil press 3 and the pulse laser annealing device 5 send feedback signals to the whole production to control the beat, the stop and the start of the feeding machine 1 and the light absorption material coating device 2, and the molding material belt coiling device sends feedback signals to the whole production to control the beat, the stop and the start of the oil stain cleaning device 6 and the cavitation jet cleaning device 7.
The foregoing has outlined broadly some of the aspects and features of the various embodiments, which should be construed to be merely illustrative of various potential applications. Other beneficial results can be obtained by applying the disclosed information in a different manner or by combining various aspects of the disclosed embodiments. Other aspects and a more complete understanding may be obtained by reference to the detailed description of the exemplary embodiments taken in conjunction with the accompanying drawings, based on the scope defined by the claims.
In addition, the invention also discloses the following technical scheme:
the first scheme is as follows:
in the coating cleaning process, the upper surface and the lower surface of the metal strip of the forming spring piece are quickly cleaned by cavitation jet flow.
Scheme II:
and (4) finishing coating the light absorbing material in the second step and starting stamping forming in the third step, wherein the conveying time of the zinc-copper strip is 2-3 minutes.
The third scheme is as follows:
and an air knife is arranged in the process from the end of coating the light absorption material coating in the second step to the start of stamping and forming in the third step and is used for air-drying and coating the light absorption material coating, and the air speed is 6 m/s.
And the scheme is as follows:
and the pH value of an ultrasonic cleaning agent used for cleaning the oil stains in the fifth step is = 10.
And a fifth scheme:
and sixthly, the pH value range of a cleaning agent used in the coating cleaning is as follows: PH = 6.5.
The above examples illustrate the present invention in detail. It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions, deletions, and substitutions which may be made by those skilled in the art within the spirit of the present invention are also within the scope of the present invention.
Claims (6)
1. A method for processing a spring piece for a tuning-fork crystal resonator is characterized in that after a light absorption coating is coated on the surface of strip-shaped zinc-copper alloy, a progressive die is adopted for continuous punch forming, laser is utilized for annealing treatment, and finally cavitation jet cleaning is adopted to obtain the spring piece for resistance welding, wherein the method comprises the following steps:
firstly, spreading a material belt, namely spreading a coiled zinc-copper strip by using a feeding machine;
coating a light absorption material coating, wherein a light absorption material coating device is arranged at an outlet of a feeding machine, a zinc white copper material belt which is unfolded in the first step is coated with the light absorption material coating through the device, the light absorption material coating device is arranged at an outlet of the zinc white copper material belt which is flattened by the feeding machine, the device comprises two rollers which are close to each other and provided with holes on the upper roller surface and the lower roller surface, the inner parts of the rollers are of a cavity structure, the end parts of the rollers are connected with a liquid charging barrel of the light absorption material, when the zinc white copper material belt passes through a space between the two rollers, the two rollers rotate relatively, the light absorption material flows out of the holes on the roller surfaces and is adhered to the surfaces of the zinc white copper material belt, and the light absorption material is uniformly coated on the surfaces of the zinc white copper material belt under the rolling of the rollers;
thirdly, punching and forming, namely punching, forming and blanking the zinc-copper strip obtained in the second step through a progressive die to obtain a formed spring piece strip;
fourthly, stress relief annealing is carried out, and the upper surface and the lower surface of the formed spring piece material belt are rapidly annealed by utilizing pulse laser annealing;
fifthly, cleaning oil stains, namely cleaning the oil stains on the surface of the formed spring sheet material belt obtained in the fourth step by an ultrasonic cleaning device;
sixthly, cleaning a coating, namely cleaning the light absorption material coating on the surface of the formed spring sheet material belt obtained in the fifth step by using a cavitation jet cleaning device;
seventhly, collecting finished spring piece material belts;
the oil press for stamping forming and the pulse laser annealing device for pulse laser annealing send feedback signals to the whole production line to control the beat, the stop and the start of the feeding machine and the light absorption material coating device, the forming material belt coiling device for collecting finished spring piece material belts sends feedback signals to the whole production line to control the oil stain cleaning device, and the cavitation jet cleaning device controls the beat, the stop and the start of the cavitation jet cleaning device.
2. The method as claimed in claim 1, wherein the light absorbing material comprises, by weight: 10-12 parts of brown corundum, 10-12 parts of quartz sand, 19-22 parts of new phenolic resin (xylok), 28-32 parts of industrial alcohol with the concentration of 95% and 3-6 parts of anti-settling agent.
3. The method as claimed in claim 2, wherein the time required for conveying the metal strip of zinc bronze for 2 to 3 minutes is from the end of the second step of applying the coating of the light absorbing material to the start of the third step of press-forming.
4. The method as claimed in claim 3, wherein a wind knife is provided for air-drying the coating of the light absorbing material from the time when the second step of coating the light absorbing material is finished to the time when the third step of press forming is started.
5. The method for processing a spring plate for a tuning fork crystal resonator as set forth in claim 4, wherein in the sixth step, the pH value of a cleaning agent used in the coating cleaning is in the range of: the pH value is more than or equal to 7 and more than or equal to 6.
6. The method as claimed in claim 5, wherein in the sixth step, the upper and lower surfaces of the metal strip of the formed spring plate are rapidly cleaned by cavitation jets during the coating cleaning.
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| CN1202186C (en) * | 2003-06-13 | 2005-05-18 | 贵州工业大学 | Light-absorbing coating for laser treatment and its preparing method |
| CN100495625C (en) * | 2007-04-28 | 2009-06-03 | 晏弘 | Method for producing seal welding sheet of microwave over magnetic control tube |
| CN106507885B (en) * | 2009-12-10 | 2014-03-26 | 黑龙江北方工具有限公司 | A kind of ammunition belt automatic production method |
| CN202316757U (en) * | 2011-11-15 | 2012-07-11 | 营口安偌德机电设备有限公司 | Continuous-stamping production line of grids |
| JP5760060B2 (en) * | 2013-09-27 | 2015-08-05 | 株式会社茨城技研 | Metal film forming method, metal film forming product manufacturing method and manufacturing apparatus |
| AT516956B1 (en) * | 2015-06-29 | 2016-10-15 | Andritz Ag Maschf | DEVICE AND METHOD FOR PRODUCING A ZINCED STEEL STRIP |
| CN108284300A (en) * | 2017-12-29 | 2018-07-17 | 上海汪青自动化科技有限公司 | A kind of process that thin-wall circular column type part is continuously shaped |
| CN109500234B (en) * | 2018-12-20 | 2023-12-22 | 中铝东南材料院（福建）科技有限公司 | Aluminum alloy substrate stamping production line for mechanical hard disk and working method thereof |
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